Comparison of the inversion algorithms applied to the ozone vertical profile retrieval from SCIAMACHY limb measurements
1Institute of Environmental Physics (IUP), University of Bremen, Bremen, Germany
2German Aerospace Center (DLR) Oberpfaffenhofen, Oberpfaffenhofen, Germany
3Service d'Aéronomie – CNRS, Institut Pierre Simon Laplace, UPMC – B102, 4 Place Jussieu, 75252 Paris, Cedex 05, France
4Jet Propulsion Laboratory, Table Mountain Facility, Wrightwood, CA 92397-0367, USA
Abstract. This paper is devoted to an intercomparison of ozone vertical profiles retrieved from the measurements of scattered solar radiation performed by the SCIAMACHY instrument in the limb viewing geometry. Three different inversion algorithms including the prototype of the operational Level 1 to 2 processor to be operated by the European Space Agency are considered. The intercomparison was performed for 5 selected orbits of SCIAMACHY showing a good overall agreement of the results in the middle stratosphere, whereas considerable discrepancies were identified in the lower stratosphere and upper troposphere altitude region. Additionally, comparisons with ground-based lidar measurements are shown for selected profiles demonstrating an overall correctness of the retrievals.